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1. (WO2014191418) METHOD AND APPARATUS FOR SIMULTANEOUS AND CONTINUOUS FOAMING OF TWO OR MORE PANELS

Pub. No.:    WO/2014/191418    International Application No.:    PCT/EP2014/060971
Publication Date: Fri Dec 05 00:59:59 CET 2014 International Filing Date: Wed May 28 01:59:59 CEST 2014
IPC: B29C 44/30
Applicants: AFROS S.P.A.
Inventors: VOLPATO, Marco
CORTI, Maurizio
Title: METHOD AND APPARATUS FOR SIMULTANEOUS AND CONTINUOUS FOAMING OF TWO OR MORE PANELS
Abstract:
An apparatus (1) for simultaneous and continuous foaming of two or more panels (2), comprising: supply means for supplying pairs of continuous web material (7) arranged above one another and mutually facing; a pair of conveying devices (5) comprising horizontal guiding and resting surfaces (10, 30) suitable for receiving and guiding respectively an upper web material (3s') and a lower web material (3i'); a plurality of dispensing devices (11A; 11B) arranged for dispensing respective flows of polyurethane or phenolic mixture for respective pairs of web materials; lateral containment devices for containing within the lateral edges the expanding mixture; horizontal partition wall means (13) comprising opposite upper (14) and lower (15) guiding and resting surfaces for respectively receiving on one side the lower web material (3i) of a pair and on the other side the upper web material (3s) of a further pair of web materials and for transmitting the thrust of the expanding foam from the upper web material of a first panel to the lower web material of a second panel placed higher and vice versa.